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Tiếp cận bệnh nhân hô hấp
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Figure 2-41.
A, Schematic illustration of alveolar compression of weakened bronchiolar
A, Schematic illustration of alveolar compression of weakened bronchiolar
airways during normal expiration in patients with chronic obstructive pulmonary disease
airways during normal expiration in patients with chronic obstructive pulmonary disease
(e.g., emphysema). B, Effects of pursed-lip breathing. The weakened bronchiolar airways
(e.g., emphysema). B, Effects of pursed-lip breathing. The weakened bronchiolar airways
are kept open by the effects of positive pressure created by pursed lips during expiration.
are kept open by the effects of positive pressure created by pursed lips during expiration.


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